to show too much of a good quality :
I thought it was better to err on the side of caution (= to be too careful rather than take a risk) .
to show too much of a good quality :
I thought it was better to err on the side of caution (= to be too careful rather than take a risk) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005